URL: https://linuxfr.org/forums/linux-general/posts/recuperation-donnees-sur-un-disque-dur-externe Title: Récupération données sur un disque dur externe Authors: phil.aka.ninoo Date: 2019年02月22日T12:28:36+01:00 License: CC By-SA Tags: disque Score: 2 Bonjour à tous, J'ai un disque dur externe qui me servait pour faire mes sauvegardes. Je le conservais précieusement et l'utilisais très peu ... Je n'arrive plus à récupérer mes données. Quand je le branche sur le port USB : $ dmesg ... [47694.771630] usb 2-2: new high-speed USB device number 15 using xhci_hcd [47694.771712] usb 2-2: Device not responding to set address. [47694.975474] usb 2-2: Device not responding to set address. [47695.179457] usb 2-2: device not accepting address 15, error -71 [47695.475368] usb 3-2: new SuperSpeed USB device number 8 using xhci_hcd [47695.491972] usb 3-2: New USB device found, idVendor=1058, idProduct=1048 [47695.491983] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=5 [47695.491989] usb 3-2: Product: Elements 1048 [47695.491995] usb 3-2: Manufacturer: Western Digital [47695.492001] usb 3-2: SerialNumber: 575835314136335434343337 [47695.493152] usb-storage 3-2:1.0: USB Mass Storage device detected [47695.493293] scsi18 : usb-storage 3-2:1.0 [47696.491494] scsi 18:0:0:0: Direct-Access WD Elements 1048 1022 PQ: 0 ANSI: 6 [47696.492134] sd 18:0:0:0: Attached scsi generic sg2 type 0 [47696.492997] sd 18:0:0:0: [sdc] Spinning up disk... [47697.494623] ............ready [47708.535236] sd 18:0:0:0: [sdc] 1953519616 512-byte logical blocks: (1.00 TB/931 GiB) [47708.535536] sd 18:0:0:0: [sdc] Write Protect is off [47708.535544] sd 18:0:0:0: [sdc] Mode Sense: 47 00 10 08 [47708.535788] sd 18:0:0:0: [sdc] No Caching mode page found [47708.535794] sd 18:0:0:0: [sdc] Assuming drive cache: write through [47708.536779] sd 18:0:0:0: [sdc] No Caching mode page found [47708.536789] sd 18:0:0:0: [sdc] Assuming drive cache: write through [47888.474233] sd 18:0:0:0: timing out command, waited 180s [47888.474242] sd 18:0:0:0: [sdc] [47888.474244] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [47888.474247] sd 18:0:0:0: [sdc] [47888.474248] Sense Key : Hardware Error [current] [47888.474252] sd 18:0:0:0: [sdc] [47888.474255] Add. Sense: Internal target failure [47888.474257] sd 18:0:0:0: [sdc] CDB: [47888.474258] Read(10): 28 00 00 00 00 00 00 00 08 00 [47888.474266] end_request: I/O error, dev sdc, sector 0 [47888.474269] Buffer I/O error on device sdc, logical block 0 [48068.417259] sd 18:0:0:0: timing out command, waited 180s [48068.417268] sd 18:0:0:0: [sdc] [48068.417271] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [48068.417273] sd 18:0:0:0: [sdc] [48068.417275] Sense Key : Hardware Error [current] [48068.417279] sd 18:0:0:0: [sdc] [48068.417282] Add. Sense: Internal target failure [48068.417284] sd 18:0:0:0: [sdc] CDB: [48068.417286] Read(10): 28 00 00 00 00 00 00 00 08 00 [48068.417294] end_request: I/O error, dev sdc, sector 0 [48068.417297] Buffer I/O error on device sdc, logical block 0 [48248.356269] sd 18:0:0:0: timing out command, waited 180s [48248.356277] sd 18:0:0:0: [sdc] [48248.356280] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [48248.356282] sd 18:0:0:0: [sdc] [48248.356284] Sense Key : Hardware Error [current] [48248.356287] sd 18:0:0:0: [sdc] [48248.356290] Add. Sense: Internal target failure [48248.356293] sd 18:0:0:0: [sdc] CDB: [48248.356294] Read(10): 28 00 00 00 00 00 00 00 08 00 [48248.356302] end_request: I/O error, dev sdc, sector 0 [48248.356305] Buffer I/O error on device sdc, logical block 0 [48337.923736] usb 3-2: USB disconnect, device number 8 [48342.809652] usb 3-2: Disable of device-initiated U1 failed. [48346.796246] hub 3-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? [48350.782777] hub 3-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? [48354.769366] hub 3-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? [48358.755870] hub 3-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? [48358.763826] sd 18:0:0:0: [sdc] [48358.763829] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [48358.763832] sd 18:0:0:0: [sdc] CDB: [48358.763834] Read(10): 28 00 00 00 00 00 00 00 08 00 [48358.763842] end_request: I/O error, dev sdc, sector 0 [48358.763846] Buffer I/O error on device sdc, logical block 0 [48358.763872] ldm_validate_partition_table(): Disk read failed. [48358.763888] Dev sdc: unable to read RDB block 0 [48358.763912] sdc: unable to read partition table [48358.764076] sd 18:0:0:0: [sdc] READ CAPACITY failed [48358.764079] sd 18:0:0:0: [sdc] [48358.764082] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [48358.764085] sd 18:0:0:0: [sdc] Sense not available. [48358.764106] sd 18:0:0:0: [sdc] Asking for cache data failed [48358.764109] sd 18:0:0:0: [sdc] Assuming drive cache: write through [48358.764114] sd 18:0:0:0: [sdc] Attached SCSI disk [48369.496075] usb 3-2: new SuperSpeed USB device number 9 using xhci_hcd [48369.512568] usb 3-2: New USB device found, idVendor=1058, idProduct=1048 [48369.512579] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=5 [48369.512586] usb 3-2: Product: Elements 1048 [48369.512592] usb 3-2: Manufacturer: Western Digital [48369.512597] usb 3-2: SerialNumber: 575835314136335434343337 [48369.513763] usb-storage 3-2:1.0: USB Mass Storage device detected [48369.513885] scsi19 : usb-storage 3-2:1.0 [48370.512442] scsi 19:0:0:0: Direct-Access WD Elements 1048 1022 PQ: 0 ANSI: 6 [48370.513050] sd 19:0:0:0: Attached scsi generic sg2 type 0 [48370.514098] sd 19:0:0:0: [sdc] Spinning up disk... [48371.515181] .............ready [48383.559523] sd 19:0:0:0: [sdc] 1953519616 512-byte logical blocks: (1.00 TB/931 GiB) [48383.559828] sd 19:0:0:0: [sdc] Write Protect is off [48383.559837] sd 19:0:0:0: [sdc] Mode Sense: 47 00 10 08 [48383.560081] sd 19:0:0:0: [sdc] No Caching mode page found [48383.560088] sd 19:0:0:0: [sdc] Assuming drive cache: write through [48383.561151] sd 19:0:0:0: [sdc] No Caching mode page found [48383.561164] sd 19:0:0:0: [sdc] Assuming drive cache: write through J'ai essayé smartctl. sudo smartctl -d sat -a /dev/sdc La commande se lance sans erreur mais elle ne s'arrête pas et ne donne aucune info. Je suis obligé de forcer l'arrêt. J'ai essayé ddrescue. $sudo ddrescue /dev/sdc /dev/sdd ~/rescue.log -n --force Idem, process qui tourne sans info, sans rien, même pas de création du fichier de log. J'ai essayé dd (sudo dd if=/dev/sdc of=/dev/sdd conv=notrunc,noerror) ... $ sudo dd if=/dev/sdc of=/dev/sdd conv=notrunc,noerror dd: erreur de lecture «/dev/sdc»: Erreur d'entrée/sortie 0+0 enregistrements lus 0+0 enregistrements écrits 0 octet (0 B) copié, 360,02 s, 0,0 kB/s Si quelqu'un avait une piste pour moi ... Un grand merci.

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